Improved meat-chopping machine



1 UNITED. STATES PATENT Ammann. SPAULDING AND SALMON ivrseoir. or wine-EENDON, MAss.

, IMPROVED MEAT-CHOPPING MACHINE.

"Specification fo suing part of Letters Patent No. 46.! 53, dated Jan nar-y 81., 1855.

DING and SALMON M. SCOTT, of Wiuchendon,

in the county of Worcester and State of Massachusetts, have linvented au Improved Machine for (Jhdpping Meat, &c.; and we do hereby declare the same to Abe fully described in tlie following specification and represented in the accompanying drawings, of which` Figure 1 denotes a top view of the machine as it appears with the cover of the tub removed; Fig. 2, a side elevation of it; Fig. 3, a vertical and longitudinal section taken so as to exhibit one of the knife-carriers and its connecting-rod. Fig. 4 is a transverse and vertical section taken through the shaft of the driving-wheel.' Fig. 5 is a vertical and transverse section taken through the secondary drivin g` or cranked shaft, t'o be hereinafter described.

In the said drawings, Avdenotes the bedplate of the machine which may be constructed ot' wood, cast-iron, or any suitable material. rlo the upper face of the said plate, and nea-r one end thereof, two curved posts or standard-s, B B, are secured and extend upward at right angles therefrom, and have the form as shown in Figs. land 2. Through holesa a, made through the front ends of the said standards,

a shaft or rod, C, exteudshorizontally and serves as a' fulcrum .for the two knife carriers or levers, I) D', which are so applied thereto las to be capable of having vertical movements imparted to them by means of two connecting-rods, -E E,'whhieh are respect ively hinged or jointed to or near to the middles ofthe said carriers D D', as seen in Figs. l and 3. 0n the rear end of each of the levers D D' a tubular socket, c, is Imade, the same being for the reception ofl the vshanks b b of two adjustable knives or cutters, G G formed as shown in Fig. 6, which is a side view of one of such cutters. Eachof the cutters G should be so'formed andv applied to /its` carrier that its cutting-edge, when brought int` its lowest.

position, shall almost touch or be nearly in the same horizontal plane with the top surface of the bottom of the tub E", in which the knives work. The said knives are made ady justable with respect tothe bottoni of the tub by means of pins ff, which pass through holes made through the sockets c c, and a series of holes, oo, made through' the Shanks of the knives, one series of such holes being` shown in Fig. 6. Furthermore, the said knives are so arranged that when iu operation their culi-` tingfedges more in circular arcs, and thus are caused o act upon the meat or article to be chopped with a drawing stroke.

In order to prevent any injury to the knives or other part ofthe machine iu case any hard or uuyi lding material should get between the edge of ther knife and the bottom ofthe tub, I dispose a short tubular cylinder, c, of india.-- rubber around each of the journals of the shaft or rod G in manne-r as shown in Fig. 7, which is a longitudinal section taken through the shaft and its bearings.

The tub E is of a cylindrical form, and has a diameter a little less than double the length of the cutting-edge of either of the knives in order that as the tub is 4revolved every portion of the 'material to be chopped shall be broughtunder the actionof the cutters. The said tub is supported upon an annular frame, I, having the form as shown in Fig. 8, which is a ltop view 'of such frame. On the upper surface of the said frame four or any other vsuitable number of projections, g g, are disposed, and bear against the chines of the tub, and are for the 'purpose of holdingithe tub on thc frame while the tub may be in revolution. The said frame is formed with or is supported by a vertical spindle or rod, K, which extends down through a slot made through the bedplate A, and is secured to the latter by a nut screwed upon. the lower end ofthe spindle as seen in Fig. 4.

Directly underneath the annular part of the frame I, and so as to work in contact therewith, a rubber friction-wheel, L, is disposed, the same being aixed to the shaft N of the driving wheel or pinion M, the latter being aixed to said shaft as seen in Fig. 2. The said pinion M engages with a gear, 0, disposed'on one end of the secondary drivingshaft I, on which a balance-wheel, It, is arranged as shown iu Figs. l and 2, the object of this arrangement of the said wheel R being to 4give a uniform movement to the cutters G G. The said shaft Phas formed upon and near its .opposite end two wrists or cranks, S S', to 'which the lower ends of the connecting-rods E Earerespectively united.

V is a crank orhaudle applied to the dri vingwheel. By the application of a'suitable motor tion.

W isa removable cover for retaining the thereto the machine may be put in operathe gear O, also gives rotary motion to the shaft. P, and,-as the connecting-rods which are attached to the knife carriers are jointed to cranks disposed. on opposite sides of the said shaft; at angles of one hundred andeightly degrees from each other, reciprocating alternate movementsiwill be imparted to the knives G G in vertical planes at each revolution of ,the

said shaft P. v

Thus it will be seen that by the above-described peculiar construction and arrangement of theparts of our machine, by simply putting the driving-wheel in revolution We, not only impart a continuous-rotary motion to the tub and the contents thereof, but We give tothe knives alternate vertical movements in the' arcs of circles, whereby the said knives are made to operate to the best advantage-Ariz., with a drawing-stroke-upon meat; or material to be chopped. Furthermore, by giving to the tub .a continuous rotary motion every portion of the material to be chopped will be brought uniformly under theaction of theV knives. A machine when made as above set forth is not only simple in construction and little liable of getting out of order, but the parts which may need cleansing can readily be removed'for such purpose. We claimy I The improved machine constructed substantially in manner and so as to operate as described-that is to say, with. the safety spring or springs o arranged with each ot' the knife-carriersand its operative mechanism as described, the knife or knives being arranged to work iii-a rotary tub in manner as explained.

ALFRED F. SPAULDING. SALMON M. SCOTT. 

